R744 (Carbon dioxide)

R744 (Carbon dioxide)

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R744 is environmentally friendly, having zero ODP (Ozone Depletion Potential) and minimal GWP (Global Warming Potential). It also has excellent thermodynamic properties and low energy usage making it suitable for a range of applications such as industrial heat extraction, chilled warehousing, shipping vessels, commercial refrigeration, and mobile air conditioning. One major difference between R744 and other refrigerants is its pressure/temperature characteristic: because of its high pressure and low critical temperature, refrigeration systems require special equipment designs.

Safety Information

Supply Modes & Package Specifications

We offer this refrigerant gas in cylinders. Bulk liquid deliveries are also available in some countries.

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Please contact your local Linde sales office for details.

Further Information

Linde is one of the largest suppliers of carbon dioxide in the world, with a substantial global production and distribution network. We are able to produce a wide range of product qualities for use in industrial processes, up to 6.0 quality, with very low moisture levels, if necessary.

As a leading supplier of refrigerant gases, The Linde Group is committed to supplying the right refrigerant for your business. Although the standard universal specification for R744 is currently under review, we are aware that the moisture content is critical in refrigeration systems. Therefore Linde offers refrigerant grade R744 carbon dioxide in many markets. This product has extremely low levels of moisture, normally below 10ppm by weight. Industrial grade carbon dioxide does not meet this requirement.